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[ALSA] hda-codec - Implement auto-mic jack sensing on Samsung laptops

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Implemented the auto-mic jack sensing for Samsung laptops with AD1986A
codec chip (model=laptop-eapd).

The hardware uses pin 0x1d and 0x1f for the internal and external
mics, respectively.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-02-12 12:11:36 +01:00
parent e140634812
commit 5d5d5f43f1
1 changed files with 49 additions and 4 deletions
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53
sound/pci/hda/patch_analog.c
View File

@ -612,13 +612,19 @@ static struct hda_input_mux ad1986a_laptop_eapd_capture_source = {
},
};
static struct hda_input_mux ad1986a_automic_capture_source = {
.num_items = 2,
.items = {
{ "Mic", 0x0 },
{ "Mix", 0x5 },
},
};
static struct snd_kcontrol_new ad1986a_laptop_eapd_mixers[] = {
HDA_BIND_VOL("Master Playback Volume", &ad1986a_laptop_master_vol),
HDA_BIND_SW("Master Playback Switch", &ad1986a_laptop_master_sw),
HDA_CODEC_VOLUME("PCM Playback Volume", 0x03, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("PCM Playback Switch", 0x03, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Internal Mic Playback Volume", 0x17, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Internal Mic Playback Switch", 0x17, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0f, 0x0, HDA_OUTPUT),
@ -642,6 +648,33 @@ static struct snd_kcontrol_new ad1986a_laptop_eapd_mixers[] = {
{ } /* end */
};
/* re-connect the mic boost input according to the jack sensing */
static void ad1986a_automic(struct hda_codec *codec)
{
unsigned int present;
present = snd_hda_codec_read(codec, 0x1f, 0, AC_VERB_GET_PIN_SENSE, 0);
/* 0 = 0x1f, 2 = 0x1d, 4 = mixed */
snd_hda_codec_write(codec, 0x0f, 0, AC_VERB_SET_CONNECT_SEL,
(present & AC_PINSENSE_PRESENCE) ? 0 : 2);
}
#define AD1986A_MIC_EVENT 0x36
static void ad1986a_automic_unsol_event(struct hda_codec *codec,
unsigned int res)
{
if ((res >> 26) != AD1986A_MIC_EVENT)
return;
ad1986a_automic(codec);
}
static int ad1986a_automic_init(struct hda_codec *codec)
{
ad198x_init(codec);
ad1986a_automic(codec);
return 0;
}
/* laptop-automute - 2ch only */
static void ad1986a_update_hp(struct hda_codec *codec)
@ -845,6 +878,15 @@ static struct hda_verb ad1986a_eapd_init_verbs[] = {
{}
};
static struct hda_verb ad1986a_automic_verbs[] = {
{0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
{0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},
/*{0x20, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80},*/
{0x0f, AC_VERB_SET_CONNECT_SEL, 0x0},
{0x1f, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1986A_MIC_EVENT},
{}
};
/* Ultra initialization */
static struct hda_verb ad1986a_ultra_init[] = {
/* eapd initialization */
@ -987,14 +1029,17 @@ static int patch_ad1986a(struct hda_codec *codec)
break;
case AD1986A_LAPTOP_EAPD:
spec->mixers[0] = ad1986a_laptop_eapd_mixers;
spec->num_init_verbs = 2;
spec->num_init_verbs = 3;
spec->init_verbs[1] = ad1986a_eapd_init_verbs;
spec->init_verbs[2] = ad1986a_automic_verbs;
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = 1;
spec->multiout.dac_nids = ad1986a_laptop_dac_nids;
if (!is_jack_available(codec, 0x25))
spec->multiout.dig_out_nid = 0;
spec->input_mux = &ad1986a_laptop_eapd_capture_source;
spec->input_mux = &ad1986a_automic_capture_source;
codec->patch_ops.unsol_event = ad1986a_automic_unsol_event;
codec->patch_ops.init = ad1986a_automic_init;
break;
case AD1986A_LAPTOP_AUTOMUTE:
spec->mixers[0] = ad1986a_laptop_automute_mixers;